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Class Information
Number: 359/709
Name: Optical: systems and elements > Lens > Including a nonspherical surface > Conical
Description: Subject matter wherein the nonspherical surface has a shape bounded by a closed planar base and the surface formed by connecting line segments between every point on the perimeter of this base with a common point.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7551370 |
Negative spherical aberration component-based imaging lens assembly in imaging reader |
Jun. 23, 2009 |
| 7542217 |
Beam reshaping unit for an illumination system of a microlithographic projection exposure apparatus |
Jun. 2, 2009 |
| 7532417 |
Dual field of view lens system |
May. 12, 2009 |
| 7400457 |
Rectangular flat-top beam shaper |
Jul. 15, 2008 |
| 7224537 |
Diffusion lens for diffusing LED light |
May. 29, 2007 |
| 7206140 |
Lens, lens array and optical receiver |
Apr. 17, 2007 |
| 7177097 |
System and method for extending viewing angle of light emitted from light pipe |
Feb. 13, 2007 |
| 7042655 |
Apparatus and method for use in fulfilling illumination prescription |
May. 9, 2006 |
| 6961194 |
Integrated TIR prism and lens element |
Nov. 1, 2005 |
| 6954315 |
Night vision and audio signal reduction system |
Oct. 11, 2005 |
| 6940659 |
Cone-shaped lens having increased forward light intensity and kits incorporating such lenses |
Sep. 6, 2005 |
| 6934093 |
Optical system |
Aug. 23, 2005 |
| 6847494 |
Optical magnifier suitable for use with a microdisplay device |
Jan. 25, 2005 |
| 6836377 |
Optical system |
Dec. 28, 2004 |
| 6788470 |
Light collimating system |
Sep. 7, 2004 |
| 6778336 |
Reduced visibility surface |
Aug. 17, 2004 |
| 6754012 |
Synthetic resin-made concave cone lens for irradiation of standard laser line |
Jun. 22, 2004 |
| 6724542 |
Monolithic optical device for light transmission, and multi-channel optical system using same |
Apr. 20, 2004 |
| 6639725 |
Protective, diffusive film and process for producing the same |
Oct. 28, 2003 |
| 6569606 |
Method of reducing photoresist shadowing during angled implants |
May. 27, 2003 |
| 6335759 |
Pinhole video camera |
Jan. 1, 2002 |
| 6185051 |
High numerical aperture optical focusing device for use in data storage systems |
Feb. 6, 2001 |
| 6137632 |
Method and apparatus for lossless beam shaping to obtain high-contrast imaging in photon tunneling methods |
Oct. 24, 2000 |
| 6101038 |
Infrared audio/video interface for head-mounted display |
Aug. 8, 2000 |
| 5980063 |
Illuminated elongated tubular body |
Nov. 9, 1999 |
| 5808759 |
Projection type display including a holographic diffuser |
Sep. 15, 1998 |
| 5790305 |
Projection system comprising a free form reflector and a free form lens |
Aug. 4, 1998 |
| 5706139 |
High fidelity optical system for electronic imaging |
Jan. 6, 1998 |
| 5699201 |
Low-profile, high-gain, wide-field-of-view, non-imaging optics |
Dec. 16, 1997 |
| 5629808 |
D-shape laser beam projector |
May. 13, 1997 |
| 5579102 |
Transmitter and receiver units for spatial position measurement system |
Nov. 26, 1996 |
| 5557471 |
Lens for depositing target material on a substrate |
Sep. 17, 1996 |
| 5475535 |
Condensers for overhead projectors |
Dec. 12, 1995 |
| 5461473 |
Transmitter and receiver units for spatial position measurement system |
Oct. 24, 1995 |
| 5444574 |
Electronic image pickup apparatus equipped with means for eliminating moire |
Aug. 22, 1995 |
| 5438366 |
Aspherical blur filter for reducing artifacts in imaging apparatus |
Aug. 1, 1995 |
| 5322998 |
Conical blur filter for reducing artifacts in imaging apparatus |
Jun. 21, 1994 |
| 5289316 |
Measuring objective |
Feb. 22, 1994 |
| 5285318 |
Illumination system having an aspherical lens |
Feb. 8, 1994 |
| 5251063 |
Large-aperture three-lens objective with aspherical-surfaces |
Oct. 5, 1993 |
| 5140469 |
Illumination apparatus for semiconductor fabrication including conical optical means |
Aug. 18, 1992 |
| 5115349 |
Projector system and system for detecting flaw |
May. 19, 1992 |
| 5113244 |
Fiber optic combiner/splitter |
May. 12, 1992 |
| 5052772 |
Fiber type light wave-length converting apparatus |
Oct. 1, 1991 |
| 5013144 |
Light source having a multiply conic lens |
May. 7, 1991 |
| 5013143 |
Lens |
May. 7, 1991 |
| 4907867 |
Varifocal optical system and associated electro-mechanical control |
Mar. 13, 1990 |
| 4659191 |
Conical split-image microscopic lens No. 3 |
Apr. 21, 1987 |
| 4657353 |
Conical beam concentrator |
Apr. 14, 1987 |
| 4637691 |
Mirror converging-type illumination optical system |
Jan. 20, 1987 |
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